246 lines
8 KiB
Python
246 lines
8 KiB
Python
# model __init__.py
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import webnotes
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no_value_fields = ['Section Break', 'Column Break', 'HTML', 'Table', 'FlexTable', 'Button', 'Image', 'Graph']
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default_fields = ['doctype','name','owner','creation','modified','modified_by','parent','parentfield','parenttype','idx','docstatus']
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#=================================================================================
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def check_if_doc_is_linked(dt, dn):
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"""
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Raises excption if the given doc(dt, dn) is linked in another record.
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"""
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sql = webnotes.conn.sql
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ll = get_link_fields(dt)
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for l in ll:
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link_dt, link_field = l
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issingle = sql("select issingle from tabDocType where name = '%s'" % link_dt)
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# no such doctype (?)
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if not issingle: continue
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if issingle[0][0]:
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item = sql("select doctype from `tabSingles` where field='%s' and value = '%s' and doctype = '%s' " % (link_field, dn, l[0]))
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if item:
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webnotes.msgprint("Cannot delete %s <b>%s</b> because it is linked in <b>%s</b>" % (dt, dn, item[0][0]), raise_exception=1)
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else:
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item = None
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try:
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item = sql("select name from `tab%s` where `%s`='%s' and docstatus!=2 limit 1" % (link_dt, link_field, dn))
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except Exception, e:
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if e.args[0]==1146: pass
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else: raise e
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if item:
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webnotes.msgprint("Cannot delete %s <b>%s</b> because it is linked in %s <b>%s</b>" % (dt, dn, link_dt, item[0][0]), raise_exception=1)
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@webnotes.whitelist()
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def delete_doc(doctype=None, name=None, doclist = None, force=0):
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"""
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Deletes a doc(dt, dn) and validates if it is not submitted and not linked in a live record
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"""
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import webnotes.model.meta
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sql = webnotes.conn.sql
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# get from form
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if not doctype:
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doctype = webnotes.form_dict.get('dt')
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name = webnotes.form_dict.get('dn')
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if not doctype:
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webnotes.msgprint('Nothing to delete!', raise_exception =1)
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# already deleted..?
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if not webnotes.conn.exists(doctype, name):
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return
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tablefields = webnotes.model.meta.get_table_fields(doctype)
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# check if submitted
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d = webnotes.conn.sql("select docstatus from `tab%s` where name=%s" % (doctype, '%s'), name)
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if d and int(d[0][0]) == 1:
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webnotes.msgprint("Submitted Record '%s' '%s' cannot be deleted" % (doctype, name))
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raise Exception
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# call on_trash if required
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from webnotes.model.code import get_obj
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if doclist:
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obj = get_obj(doclist=doclist)
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else:
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obj = get_obj(doctype, name)
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if hasattr(obj,'on_trash'):
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obj.on_trash()
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# check if links exist
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if not force:
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check_if_doc_is_linked(doctype, name)
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# remove tags
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from webnotes.widgets.tags import clear_tags
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clear_tags(doctype, name)
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try:
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webnotes.conn.sql("delete from `tab%s` where name='%s' limit 1" % (doctype, name))
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for t in tablefields:
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webnotes.conn.sql("delete from `tab%s` where parent = %s" % (t[0], '%s'), name)
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except Exception, e:
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if e.args[0]==1451:
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webnotes.msgprint("Cannot delete %s '%s' as it is referenced in another record. You must delete the referred record first" % (doctype, name))
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raise e
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return 'okay'
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def get_search_criteria(dt):
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import webnotes.model.doc
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# load search criteria for reports (all)
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dl = []
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try: # bc
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sc_list = webnotes.conn.sql("select name from `tabSearch Criteria` where doc_type = '%s' or parent_doc_type = '%s' and (disabled!=1 OR disabled IS NULL)" % (dt, dt))
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for sc in sc_list:
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dl += webnotes.model.doc.get('Search Criteria', sc[0])
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except Exception, e:
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pass # no search criteria
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return dl
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# Rename Doc
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#=================================================================================
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def get_link_fields(dt):
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"""
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Returns linked fields for dt as a tuple of (linked_doctype, linked_field)
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"""
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return webnotes.conn.sql("select parent, fieldname from tabDocField where parent not like 'old%%' and ((options = '%s' and fieldtype='Link') or (options = 'link:%s' and fieldtype='Select'))" % (dt, dt))
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def rename(dt, old, new, is_doctype = 0):
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"""
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Renames a doc(dt, old) to doc(dt, new) and updates all linked fields of type "Link" or "Select" with "link:"
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"""
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sql = webnotes.conn.sql
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# rename doc
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sql("update `tab%s` set name='%s' where name='%s'" % (dt, new, old))
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# get child docs
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ct = sql("select options from tabDocField where parent = '%s' and fieldtype='Table'" % dt)
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for c in ct:
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sql("update `tab%s` set parent='%s' where parent='%s'" % (c[0], new, old))
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# get links (link / select)
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ll = get_link_fields(dt)
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for l in ll:
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is_single = sql("select issingle from tabDocType where name = '%s'" % l[0])
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is_single = is_single and webnotes.utils.cint(is_single[0][0]) or 0
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if is_single:
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sql("update `tabSingles` set value='%s' where field='%s' and value = '%s' and doctype = '%s' " % (new, l[1], old, l[0]))
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else:
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sql("update `tab%s` set `%s`='%s' where `%s`='%s'" % (l[0], l[1], new, l[1], old))
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# doctype
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if is_doctype:
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sql("RENAME TABLE `tab%s` TO `tab%s`" % (old, new))
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# get child docs (update parenttype)
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ct = sql("select options from tabDocField where parent = '%s' and fieldtype='Table'" % new)
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for c in ct:
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sql("update `tab%s` set parenttype='%s' where parenttype='%s'" % (c[0], new, old))
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#=================================================================================
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def clear_recycle_bin():
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"""
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Clears temporary records that have been deleted
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"""
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sql = webnotes.conn.sql
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tl = sql('show tables')
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total_deleted = 0
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for t in tl:
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fl = [i[0] for i in sql('desc `%s`' % t[0])]
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if 'name' in fl:
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total_deleted += sql("select count(*) from `%s` where name like '__overwritten:%%'" % t[0])[0][0]
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sql("delete from `%s` where name like '__overwritten:%%'" % t[0])
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if 'parent' in fl:
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total_deleted += sql("select count(*) from `%s` where parent like '__oldparent:%%'" % t[0])[0][0]
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sql("delete from `%s` where parent like '__oldparent:%%'" % t[0])
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total_deleted += sql("select count(*) from `%s` where parent like 'oldparent:%%'" % t[0])[0][0]
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sql("delete from `%s` where parent like 'oldparent:%%'" % t[0])
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total_deleted += sql("select count(*) from `%s` where parent like 'old_parent:%%'" % t[0])[0][0]
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sql("delete from `%s` where parent like 'old_parent:%%'" % t[0])
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webnotes.msgprint("%s records deleted" % str(int(total_deleted)))
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# Make Table Copy
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#=================================================================================
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def copytables(srctype, src, srcfield, tartype, tar, tarfield, srcfields, tarfields=[]):
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import webnotes.model.doc
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if not tarfields:
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tarfields = srcfields
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l = []
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data = webnotes.model.doc.getchildren(src.name, srctype, srcfield)
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for d in data:
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newrow = webnotes.model.doc.addchild(tar, tarfield, tartype, local = 1)
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newrow.idx = d.idx
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for i in range(len(srcfields)):
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newrow.fields[tarfields[i]] = d.fields[srcfields[i]]
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l.append(newrow)
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return l
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# DB Exists
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#=================================================================================
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def db_exists(dt, dn):
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import webnotes
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return webnotes.conn.exists(dt, dn)
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def delete_fields(args_dict, delete=0):
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"""
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Delete a field.
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* Deletes record from `tabDocField`
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* If not single doctype: Drops column from table
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* If single, deletes record from `tabSingles`
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args_dict = { dt: [field names] }
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"""
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import webnotes.utils
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for dt in args_dict.keys():
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fields = args_dict[dt]
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if not fields: continue
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webnotes.conn.sql("""\
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DELETE FROM `tabDocField`
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WHERE parent=%s AND fieldname IN (%s)
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""" % ('%s', ", ".join(['"' + f + '"' for f in fields])), dt)
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# Delete the data / column only if delete is specified
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if not delete: continue
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is_single = webnotes.conn.sql("select issingle from tabDocType where name = '%s'" % dt)
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is_single = is_single and webnotes.utils.cint(is_single[0][0]) or 0
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if is_single:
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webnotes.conn.sql("""\
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DELETE FROM `tabSingles`
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WHERE doctype=%s AND field IN (%s)
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""" % ('%s', ", ".join(['"' + f + '"' for f in fields])), dt)
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else:
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existing_fields = webnotes.conn.sql("desc `tab%s`" % dt)
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existing_fields = existing_fields and [e[0] for e in existing_fields] or []
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query = "ALTER TABLE `tab%s` " % dt + \
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", ".join(["DROP COLUMN `%s`" % f for f in fields if f in existing_fields])
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webnotes.conn.commit()
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webnotes.conn.sql(query)
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